Abstract：
:Physicochemical evolution (i.e. pore structure variation, carbon structure change and active AAEM transformation) during rice straw (RS) and Shenfu bituminous coal (SF) co-pyrolysis was quantitatively determined in this work. Moreover, the corresponding char gasification was conducted using a thermogravimetric analyzer (TGA) and relative reactivity was proposed to quantify the co-pyrolysis impact on co-gasification reactivity. The results showed that the development of pore structure in co-pyrolyzed chars was first inhibited and then enhanced with the decrease of SF proportion. The promotion effect of co-pyrolysis on order degree of co-pyrolyzed chars gradually weakened with increasing RS proportion. Co-pyrolysis mainly enhanced active K transformation in co-pyrolyzed chars and the promotion effect was alleviated with increasing RS proportion. The inhibition effect of co-pyrolysis on co-gasification reactivity weakened with increasing RS proportion and gasification temperature, which was mainly attributed to the combination of carbon structure evolution and active AAEM transformation in co-pyrolysis.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Wei J,Gong Y,Guo Q,Ding L,Wang F,Yu Gdoi
10.1016/j.biortech.2016.12.068subject
Has Abstractpub_date
2017-03-01 00:00:00pages
345-352eissn
0960-8524issn
1873-2976pii
S0960-8524(16)31746-1journal_volume
227pub_type
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